Home / 243,184.48-335,580.67-135,761.33

Finding the Fourth Proportional to 243,184.48, 335,580.67 and 135,761.33

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Solution

The fourth proportional to 243,184.48, 335,580.67 and 135,761.33 is: 187,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,184.48 : 335,580.67 = 135,761.33 : x
  2. Step 2: Convert to fraction form
    243,184.48/335,580.67 = 135,761.33/x
  3. Step 3: Cross multiply
    243,184.48x = 335,580.67 × 135,761.33
  4. Step 4: Simplify right side
    243,184.48x = 45,558,879,090.14
  5. Step 5: Solve for x
    x = 45,558,879,090.14/243,184.48
  6. Step 6: Final answer
    x = 187,342.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.